Ranking of Iowa Counties By Hispanic or Latino of All Races Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the Iowa Hispanic or Latino of All Races population (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 26,175. Among all Iowa counties, Polk County had the highest Hispanic or Latino of All Races population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (6,114), followed by Woodbury County (2,341), and Scott County (2,061).

The chart below shows the top 10 Iowa counties, and the table below shows the ranking of all Iowa counties.

You can see similar information for other educational attainments, and for other races and ethnicities.

You can also see similar information for other states and for the United States.

Ranking of Iowa Counties By Hispanic or Latino of All Races Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Polk County
Woodbury County
Scott County
Muscatine County
Linn County
Pottawattamie County
Marshall County
Black Hawk County
Johnson County
Dallas County
Ranking of Iowa Counties By Hispanic or Latino of All Races Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank County Number of People
1 Polk County 6114
2 Woodbury County 2341
3 Scott County 2061
4 Muscatine County 1557
5 Linn County 1196
6 Pottawattamie County 1055
7 Marshall County 1001
8 Black Hawk County 656
8 Johnson County 656
9 Dallas County 648
10 Buena Vista County 611
11 Crawford County 557
12 Sioux County 486
13 Wapello County 417
14 Tama County 368
15 Cerro Gordo County 316
16 Story County 278
17 Louisa County 276
18 Webster County 265
19 Wright County 260
20 Warren County 229
21 Henry County 204
22 Lee County 196
23 Franklin County 173
24 Clinton County 161
25 Cedar County 156
26 Fayette County 153
27 Washington County 146
28 Jasper County 134
29 Dubuque County 131
30 Boone County 129
30 Des Moines County 129
31 Allamakee County 128
32 Mahaska County 115
33 Hamilton County 112
34 Hancock County 111
34 Page County 111
35 Plymouth County 95
36 O'Brien County 93
37 Dickinson County 87
38 Hardin County 84
38 Lucas County 84
39 Benton County 76
39 Jefferson County 76
39 Lyon County 76
40 Poweshiek County 71
41 Appanoose County 70
42 Mills County 69
43 Montgomery County 67
43 Winnebago County 67
44 Iowa County 64
45 Clarke County 60
45 Kossuth County 60
46 Carroll County 58
46 Palo Alto County 58
46 Taylor County 58
47 Worth County 54
48 Harrison County 53
49 Guthrie County 52
50 Clayton County 50
51 Jones County 49
52 Winneshiek County 47
53 Humboldt County 46
54 Cass County 43
54 Sac County 43
54 Wayne County 43
55 Calhoun County 39
55 Shelby County 39
56 Van Buren County 38
57 Delaware County 34
58 Ringgold County 32
59 Bremer County 31
60 Greene County 30
61 Ida County 29
61 Osceola County 29
62 Decatur County 28
62 Pocahontas County 28
63 Monona County 27
64 Keokuk County 25
65 Adair County 24
66 Clay County 23
66 Union County 23
67 Monroe County 21
68 Cherokee County 20
69 Adams County 19
70 Audubon County 18
70 Fremont County 18
70 Madison County 18
71 Howard County 17
72 Davis County 13
72 Mitchell County 13
73 Jackson County 12
74 Grundy County 8
75 Buchanan County 7
75 Emmet County 7
75 Floyd County 7
76 Chickasaw County 4
77 Butler County 2
77 Marion County 2